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- - RECEIVEMA 4031992- <br /> j SEQUOIA ANALYTICAL <br /> 680 Chesapeake Drive • Redwood City, CA 94063 <br /> (415) 364-9600 FAX(415) 364-9233 <br /> hr <br /> NRESNA v Client Project ID W0388, Reeves Bocon/Tracy am ed 4Y <br /> 1710 Main Street Sample Descnpt Soil,SP1-A-C,SP2-0 Comp Received 4/24/92 <br /> Escalon, CA 95320 Analysis Method See below 4 <br /> 'Attention Greg Stahl Lab Number A2044326 Reported 5/7/92 x <br /> '' oc^' •` r} ,,. ' cx,.r..r ..,. v,. ,.+..N .rF r`'rlr,. ,. ,, r r r Y . r r r ' v r , r r, ,,. .. ..r rlvµ`cb ,.,`„moo <br /> Y 4 rn rivY$v x4 <br /> STATIC ACUTE HAZARDOUS WASTE BIOASSAY <br /> Static -X--1StaticF—X--1 Species Pime hales promelas Organisms/Tank 10 <br /> Coni FlowLLJCommon Name Fathead Minnow Replicates 2 <br /> Mean length 24 mm Organisms/Cone 20 <br /> Mean weight 0 25 g Tank Depth 13 cm <br /> Screening Supplier ticklebacks Unlimited Tank Volume io <br /> Definitive FXIAcclimation Temp 20 degrees <br /> Alkalin , m L Hardness, m L <br /> Initial Final Initial Final <br /> Control 34 35 50 51 <br /> Dilution Water Synthetic Softwater 100 ppm 35 35 50 50 <br /> 320 ppm 37 37 52 52 <br /> 1000 ppm 1 40 41 1 55_L 56 <br />•� Initial 24 Hr 48 Hr 72 Hr 96 Hr <br /> DATE 4/29/92 4/30/92 5 1 92 5Z2/92 5 392 <br /> DO C pH DO C pH #M DO C pH # M DO C pH # M DO C pH # M Total <br /> mg/L Temp Units mg L Temp Units Dead mg/L Temp Units Dead <br /> mg/l.Tamp Units Dead mg/L Temp Units Dead Dead <br /> Control 8 5 20 73 83 20 73 0 71 20 72 0 70 20 73 0 71 20 71 0 0 <br /> 100ppm 92 20 74 90 20 75 0 65 20 73 0 65 20 71 0 69 20 72 0 0 <br /> 180ppm 94 20 751931 20 76 0 70 20 74 0 20 174 1 0 701 20 75 1 0 0 <br /> 320 ppm . 93 20 76 91 , 20 76 0 70 20 74 0 170 , 20 73 0 70 20 74UJO <br /> 0 <br /> 560 m 92 20 76 91 20 77 0 69 20 73 0 68 20 73 0 65 20 72 0 <br /> 1000 m 81 20 7479 20 75 0 6520 74 0 65 20 74 0 62 20 75 0 <br /> LC-50: >1000 ppm LC-50 Calculation Method Moving average angle <br /> Remarks <br /> Analyst _D George Method Reference Static Acute Bioassay Procedures for Hazardous Waste Samples, <br /> September 1987, California Department of Fish and Game WFCL <br /> SEQUOIA ANALYTICAL Page f of 2 A2044326 wAT <1> <br />